On Tue, Oct 04, 2022 at 05:53:58PM +0200, Ahmad Fatoum wrote: > TLSF currently uses only 4-byte alignment on 32-bit platforms, which isn't > enough for ldrd/strd on ARMv7. This series reworks TLSF a bit, so we always > have at least 8 byte alignment. dlmalloc already has 8 byte alignment > minimum, so nothing to do there. > > While this fixes real issues like what Enrico ran into, I'd suggest we only > this be taken into next only after v2022.10.0 is tagged, so this can get > some more testing exposure in the mean time. > > Ahmad Fatoum (9): > test: include <linux/printk.h> > tlsf: use bselftest for testing ffs/fls > tlsf: ensure malloc pool is aligned > tlsf: fix sizeof(size_t) == sizeof(void *) assumption > tlsf: decouple maximum allocation size from sizeof(size_t) > tlsf: use 8-byte alignment for normal malloc allocations > common: malloc: ensure alignment is always at least 8 byte > test: self: refactor to allow alignment check > test: self: malloc: fix memory leaks Applied, thanks Sascha > > common/Kconfig | 5 +++ > common/dlmalloc.c | 3 ++ > common/dummy_malloc.c | 2 +- > common/tlsf.c | 72 ++++++++++++++++----------------- > include/bselftest.h | 1 + > test/self/malloc.c | 92 ++++++++++++++++++++++++++++++++----------- > 6 files changed, 114 insertions(+), 61 deletions(-) > > -- > 2.30.2 > > > -- Pengutronix e.K. | | Steuerwalder Str. 21 | http://www.pengutronix.de/ | 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 |
